Enhanced efficiency in 808 nm GaAs laser power converters via gradient doping
نویسندگان
چکیده
منابع مشابه
Doping-enhanced radiative efficiency enables lasing in unpassivated GaAs nanowires
Nanolasers hold promise for applications including integrated photonics, on-chip optical interconnects and optical sensing. Key to the realization of current cavity designs is the use of nanomaterials combining high gain with high radiative efficiency. Until now, efforts to enhance the performance of semiconductor nanomaterials have focused on reducing the rate of non-radiative recombination th...
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High-power laser diode arrays are used for a variety of space-based laser programs as an energy source for diode-pumped solid-state lasers. Specifically, 1064 nm Nd:YAG lasers require laser diode arrays emitting at a wavelength of 808 nm that operate at quasi-cw peak powers of 100 Watts per bar. Reliability and performance data is needed for these components; particularly for operation in a sat...
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OBJECTIVE The purpose of this study was to compare the penetration of 808 and 980 nm laser light through bovine tissue samples 18-95 mm thick. BACKGROUND DATA Low-level laser therapy (LLLT) is frequently used to treat musculoskeletal pathologies. Some of the therapeutic targets are several centimeters deep. METHODS Laser light at 808 and 980 nm (1 W/cm(2)) was projected through bovine tissu...
متن کاملThe 808 nm Laser-Assisted Surgery as an Adjunct to Orthodontic Treatment of Delayed Tooth Eruption.
INTRODUCTION Failure of teeth to erupt from gingival tissues at usual developmental time is called delayed tooth eruption (DTE). Delayed tooth eruption lead to prolonged fixed orthodontic treatment and its eventual complications. The purpose of the present study was to evaluate the effect of laser-assisted (808 nm) surgical uncovering, on the tooth emergence and orthodontic treatment of DTE. ...
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Low level laser therapies (LLLT) have analgesic, vasodilatory and anti-inflammatory effects. The present study investigated the effects of LLLT with a diode laser (808 nm) device on the healing of the rat tibial fracture. Forty eight, 8-week-old, male Sprague-Dawley rats were used for this study. After creating the tibial fracture model, the animals were randomly divided into laser and control ...
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ژورنال
عنوان ژورنال: AIP Advances
سال: 2019
ISSN: 2158-3226
DOI: 10.1063/1.5109133